Subject: Re: luxeon star leds
Date: Thu, 28 Nov 2002 18:45:41 -0800
Organization: SCN Research of Tigard, Oregon, USA.
References: <3DDD9A57.58900EFB@RobertsResearchInc.com> <email@example.com> <3DDDB646.96D0D9D2@RobertsResearchInc.com> <3DDE7264.CD48F4F8@RobertsResearchInc.com> <firstname.lastname@example.org> <3DDEB081.884EC92A@RobertsResearchInc.com> <3DE03D65.932BF9BF@RobertsResearchInc.com> <3DE15871.EF8FF9EA@RobertsResearchInc.com> <3DE224D3.81EFBA3C@RobertsResearchInc.com>
NNTP-Posting-Date: Fri, 29 Nov 2002 02:45:52 +0000 (UTC)
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I just looked through a whole pile of the luxeon stars that I have here,
the ones with the metal plate, not one of them is any where near flat.
May I suggest some sort of gap filler, such as thermal paste to folks
trying to get life out of these things...
"Watson 'Atto Parsec' Name" wrote in message
> In article ,
> email@example.com talked about...
> > On 26 Nov 2002, Watson 'Atto Parsec' Name said:
> > > The Luxeon has a _built-in_ heatsink. Somewhere I read that it
> > > stabilizes at 60 deg without any external HS.
> > The Luxeon *star* comes with an emitter mounted on a 1 square inch
> > core PCB, and it can be run without additional heatsinking (though it's
> > recommended). The Luxeon emitters do not have heatsinks and definitely
> That 1 inch square aluminum *is* a heatsink, maybe not as much as a finned
> one but definitely more than the emitter just by itself, which, by the
> you can also buy.
> The whole back side of that aluminum is clean fresh plain metal (well
> than the part number printed on it), and will act as a 1 square inch
> surface for dissipating heat. And yes, it does get warm.
> My email address is whitelisted. *All* email sent to it
> goes directly to the trash unless you put NOSPAM in the
> Subject: line. alondra101 hotmail.com
> Don't be ripped off by the big book dealers. Go to the URL
> that will give you a choice and save you money(up to half).
> http://www.everybookstore.com You'll be glad you did!
> Just when you thought you had all this figured out, the gov't
> changed it: http://physics.nist.gov/cuu/Units/binary.html